CN104081102A - Filling port structure for pressure fluid - Google Patents
Filling port structure for pressure fluid Download PDFInfo
- Publication number
- CN104081102A CN104081102A CN201380007552.9A CN201380007552A CN104081102A CN 104081102 A CN104081102 A CN 104081102A CN 201380007552 A CN201380007552 A CN 201380007552A CN 104081102 A CN104081102 A CN 104081102A
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- China
- Prior art keywords
- main body
- pressure fluid
- inside diameter
- stream
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
- B60L50/72—Constructional details of fuel cells specially adapted for electric vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fuel Cell (AREA)
- Joints With Sleeves (AREA)
Abstract
A first channel (18) of a first body (14) has, in sequence from the side in which a nozzle (20) is inserted toward the narrowing diameter, a first inside diameter part (22a) and a second inside diameter part (22b). A second body (16) has a second channel (52) capable of being in communication with the first channel (18), and has, in sequence from the first channel (18) side toward the widening diameter, a first outside diameter part (66a) that has an outside diameter inserted into the second inside diameter part (22b) and that is continuous from a distal end part (64), and a second outside diameter part (66b). When the distal end part (64) of the second body (16) is inserted into the first channel (18), a seal mechanism (70) is formed by a wall surface (69) provided to an end part along the axial direction of the second inside diameter part (22b), an end surface (64a) of the distal end part (64) of the second body (16), and an internal peripheral surface (24b) of the second inside diameter part (22b).
Description
Technical field
The present invention relates to a kind of filling mouth structure of pressure fluid, it can insert nozzle with respect to the socket for example arranging on vehicle, fixed device equal pressure fluid utilized device, carrys out blanketing gas equal pressure fluid.
Background technique
Fig. 7 (a) is the structure sectional view that the automobile-use hydrogen of the 70MPa specification recorded in SAE J2799 is filled mouthful.
As shown in Fig. 7 (a), this hydrogen is filled mouthful by forming as the connector construction that is equipped with sealing component in accepting the socket 1 of side, and insert port 2 sides of inserting at the nozzle for not shown are equipped with the first O-ring seals 3 that external diameter is large.In addition, dispose a pair of supporting ring 4a, 4b and be folded in the second little O-ring seals 5 of external diameter between described a pair of supporting ring 4a, 4b at the private side separating from insert port 2 along central shaft.
Above-mentioned a pair of supporting ring 4a, 4b and the second O-ring seals 5 are assemblied in the fixed groove 6 being made up of than the internal diameter circlet shape groove of insert port 2 diameter.In addition, between the first O-ring seals 3 of insert port 2 sides and a pair of supporting ring 4a, the 4b of private side and the second O-ring seals 5, be formed with the ring bulkhead 7 outstanding towards internal side diameter.
In addition, about this type of connector construction, for example, disclose a kind of gas supply structure in patent documentation 1, it possesses: the first O-ring seals that is configured near of the insert port of socket; Be configured in the second O-ring seals than the position of the first O-ring seals downstream; The foreign matter being configured between the first O-ring seals and the second O-ring seals is removed member.
Formerly technical paper
Patent documentation
Patent documentation 1: TOHKEMY 2009-156371 communique
Brief summary of the invention
The problem that invention will solve
But, the automobile-use hydrogen of recording at SAE J2799 is filled in mouth, in the time assembling respectively a pair of supporting ring 4a, 4b and the second O-ring seals 5 with respect to socket 1, the fixed groove 6 that assembles described a pair of supporting ring 4a, 4b and the second O-ring seals 5 is positioned at the inside of insert port 2, and internal diameter forms to such an extent that be positioned at the nearby side of fixed groove 6 and become obstacle than fixed groove 6 circlet shape next doors 7.Therefore, the assembling operation that sealing component is assembled from insert port 2 becomes loaded down with trivial details, and changes the replacing operation of new product and become too loaded down with trivial details, thereby the activity duration is elongated.
About this point, in the disclosed gas supply structure of patent documentation 1, too, be positioned at the second O-ring seals of inner side and become loaded down with trivial details from the assembling operation of insert port assembling, replacing operation.
Summary of the invention
General object of the present invention is to provide a kind of filling mouth structure that can assemble more easily, change the pressure fluid of the sealing components such as O-ring seals.
Solution
To achieve these goals, the invention provides a kind of filling mouth structure of pressure fluid, it is arranged at pressure fluid utilized device, and by the first main body of manufacturing independently respectively and the combination of the second main body are formed, the filling mouth structure of described pressure fluid is characterised in that, in described the first main body, be provided with the first stream passing from the outside of described pressure fluid utilized device for nozzle, the order that described the first stream diminishes according to internal diameter from a side of passing for described nozzle has the first inside diameter and the second inside diameter, on the inner peripheral surface of described the first inside diameter and described the second inside diameter, be formed with respectively sealing mating face, described the second main body has second stream that can be communicated with described the first stream when with described the first main body combination, and be provided with described pressure fluid utilized device and the second fixing main body fixing part of described filling mouth, described the second main body becomes large order from described first-class trackside according to external diameter and has the first outer diameter part and the second outer diameter part, described the first outer diameter part has and is inserted into the external diameter of described the second inside diameter and continuous from the front end of described the second main body, insert in described the first stream in by the front end of described the second main body time, by the wall arranging along axial end at described the second inside diameter, the inner peripheral surface of the end face of the front end of described the second main body and described the second inside diameter forms seal groove.
According to the present invention, by forming to split respectively the first main body and the second main body, can complete easily the installation exercise of sealing component with respect to the second inside diameter of the first main body, can improve assembling performance and shorten built-up time.
,, insert in the first stream of the first main body in the front end of the second main body before, the inner peripheral surface of the first main body is not yet configured to seal groove.Therefore, can be by sealing component from assembling easily with respect to the inner peripheral surface (sealing mating face) of the first main body for the opening portion side of the first main body of the front end insertion of the second main body.In addition, after having assembled sealing component, by the front end of the second main body is passed along the first stream of the first main body, and the first main body and the second main body are combined integratedly, form thus the filling mouth of pressure fluid.
The first main body can have the first main body fixing part being positioned at than the position in the outside of the second main body fixing part depended on pressure fluid utilized device.By such formation, for example, in the situation that being applicable to vehicle, can under vehicle-mounted state, carry out the replacing operation of sealing component.
The first main body can have the recess that tool card is hung in the distolateral periphery separating with a side of passing for nozzle.By such formation, need special tool for tool card being hung to the recess engagement of use, thereby end user is difficult to the first main body and the second main body to be decomposed.
Can be from approaching the side configuration filter and the one-way valve that can seal the pressure fluid feeding from the first stream successively of the first stream on the second stream.By such formation, though by the first main body and the second body portion from time, also can prevent that hydrogen from, to the spilling of outside, can avoid the waste of hydrogen via one-way valve.In addition, in the time separating, can prevent that worker from touching the situation of one-way valve because of carelessness.
Can on the first main body fixing part, be formed with the through hole that connects internal thread along radial direction, and in described through hole, be provided with the engagement member of the second main body engagement.By such formation, the engagement member that outside thread is screwed into along through hole damages, cannot be by the structure of the first main body and the decomposition of the second main body thereby become end user.
Invention effect
Can obtain the filling mouth structure that can assemble more easily, change the pressure fluid of the sealing components such as O-ring seals.
Brief description of the drawings
Fig. 1 is the brief configuration sectional view that the related hydrogen of embodiments of the present invention is filled mouth.
Fig. 2 represents to fill a mouthful longitudinal sectional view that inserts the state after nozzle with respect to the hydrogen of Fig. 1.
Fig. 3 (a) is the longitudinal sectional view of the first main body, and Fig. 3 (b) is the longitudinal sectional view of the second main body.
Fig. 4 is the amplification view of the A portion shown in Fig. 1.
Fig. 5 (a) and Fig. 5 (b) are the longitudinal sectional views that represents the assembling procedure of hydrogen filling mouth.
Fig. 6 is the brief configuration sectional view that the related hydrogen of another embodiment of the present invention is filled mouth.
Fig. 7 (a) is the structure sectional view that the automobile-use hydrogen of the 70MPa specification recorded of SAE J2799 is filled mouthful, and Fig. 7 (b) represents the O-ring seals shown in Fig. 7 (a) is out of shape while the sectional view of the state assembled with respect to the inside of insert port.
Embodiment
Next,, suitably with reference to accompanying drawing, embodiments of the present invention are elaborated.
For example, on fuel cell vehicle, be equipped with fuel cell.As this fuel cell, known have a polymer electrolyte fuel cell.Polymer electrolyte fuel cell possesses the negative electrode that is for example supplied to the anode of the fuel gas such as hydrogen and is for example supplied to the oxygen containing oxidizing gases such as air.
Supply with hydrogen for antianode, on fuel cell vehicle, be provided with hydrogen supply system.Hydrogen supply system possess the hydrogen that for example stockpiles the hydrogen tank of hydrogen, hydrogen tank is filled to hydrogen fill mouthful 10 (with reference to Fig. 1), by hydrogen fill mouthfuls 10 with the tank connected pipe arrangement of hydrogen, the valve that the stream of hydrogen is opened and closed, regulator that the pressure of hydrogen is adjusted etc.It should be noted that, in the present embodiment, as pressure fluid utilized device, although describe with fuel cell vehicle, be not limited to this, for example, also can be applicable to not shown fixed device etc.
Fig. 1 is the brief configuration sectional view that the related hydrogen of embodiments of the present invention is filled mouth, Fig. 2 represents to fill a mouthful longitudinal sectional view that inserts the state after nozzle with respect to the hydrogen of Fig. 1, Fig. 3 (a) is the longitudinal sectional view of the first main body, Fig. 3 (b) is the longitudinal sectional view of the second main body, and Fig. 4 is the amplification view of the A portion shown in Fig. 1.
Hydrogen is filled mouth 10 and is arranged on the fuel cap 12 of for example fuel cell vehicle.As shown in Figure 1, hydrogen is filled mouthfuls 10 and is had the first main body 14 and the second main body 16 manufactured independently respectively, by by the first main body 14 and the second main body 16 respectively along axially assembling and form integratedly.It should be noted that, fill mouthful 10 hydrogen (pressure fluid) of filling to hydrogen and use " pressurized gas " that for example in pressurized gas safety law, define.
As shown in Fig. 1 and Fig. 3 (a), the first main body 14 is roughly cylindric, and is provided with the first stream 18 along axial perforation.Nozzle 20 passes this first stream 18 (with reference to Fig. 2) from outside.The first stream 18 is respectively equipped with the first inside diameter 22a and the second inside diameter 22b from a side of passing for nozzle 20 along the order axially diminishing according to internal diameter.Be formed with the 3rd inside diameter 22c from the second inside diameter 22b of the first main body 14 towards opening portion 23 sides of inserting for the second main body 16.The 3rd inside diameter 22c comprises internal side diameter stepped part, sets greatly than the internal diameter of the second inside diameter 22b.
On inner peripheral surface 24a, the 24b of the first inside diameter 22a and the second inside diameter 22b, be formed with respectively the sealing mating face for fitting tight member.On the inner peripheral surface 24a of the first inside diameter 22a, be equipped with the first O-ring seals 26 that external diameter is large.On the inner peripheral surface 24b of the second inside diameter 22b, being axially respectively fitted with a pair of supporting ring 28,28 and being clamped between described a pair of supporting ring 28,28 and the second little O-ring seals 30 of external diameter along the second inside diameter 22b.
The inner peripheral surface 24b of the second inside diameter 22b internal diameter among the inside diameter of the first main body 14 is set minimumly, and there is not any obstacle in opening portion 23 sides, therefore as described later, can easily a pair of supporting ring 28,28 and the second O-ring seals 30 be assembled to (with reference to Fig. 5 (a)) from opening portion 23 sides with respect to the inner peripheral surface 24b of the second inside diameter 22b.
Between the first inside diameter 22a and the second inside diameter 22b, be provided with respectively from inner peripheral surface 24a, 24b and erect and towards the outstanding ring-shaped protrusion 31 of internal side diameter.The internal diameter of this ring-shaped protrusion 31 forms littlely than the first inside diameter 22a and the second inside diameter 22b.As shown in Figure 4, between the mutual opposed side's of ring-shaped protrusion 31 wall 67 and inner peripheral surface 24a, be formed with the seal groove that keeps the first O-ring seals 26.In addition, as described later, between mutual opposed the opposing party's the wall 69 of ring-shaped protrusion 31 and the end face 64a of the front end 64 of inner peripheral surface 24b and the second main body 16, be formed with the seal groove 70 that keeps a pair of supporting ring 28,28 and the second O-ring seals 30.
As shown in Fig. 1 and Fig. 3 (a), be provided with the inserting opening portion 32 of nozzle 20 in the end along axial of the first main body 14.This inserting opening portion 32 and the first stream 18 form continuously.The first main body 14 along being provided with the opening portion 23 inserting for the second main body 16 on axial the other end.There is the end face 25 of the first main body 14 and the annular sidewall 27 of the second main body 16 (also with reference to Fig. 3 (the b)) butt of this opening portion 23, thereby form the parting plane of the first main body 14 and the second main body 16.
On the inner peripheral surface that approaches opening portion 23 of the first main body 14, be provided with internal thread 36, this internal thread 36 screws togather with the outside thread described later 34 that the periphery in the second main body 16 forms.This internal thread 36 is brought into play function as the first main body fixing part.
In addition, in the periphery of the first main body 14, be provided with by than near other outer circumferential faces instrument hook part 40 that recess more in the form of a substantially rectangular forms to the cross section of internal side diameter depression.This instrument hook part 40 by for example mutually opposed 2 or continuous in the form of a ring six sides etc. form, for example, in the time that the first main body 14 is separated from the second main body 16, this instrument hook part 40 is by not shown special tool engagement.
Be formed with through hole 42 orthogonal to the axial direction and that connect along radial direction in the other end side of the first main body 14, on described through hole 42, be provided with the stop screw member (engagement member) 44 being screwed into via screw section.This stop screw member 44 is made up of the set screw at head with thread groove, by being screwed into along through hole 42, and the outer circumferential face butt of the front-end face of stop screw member 44 and the second main body 16 and by the second main body 16 engagements.It should be noted that, also can replace stop screw member 44 and not shown stop pin member is pressed into along through hole 42.
As shown in Fig. 1 and Fig. 3 (b), in the periphery of the second main body 16, be provided with than other periphery more towards the outstanding annular convex 46 of radius lateral direction, between mounting nuts 50 and described annular convex 46, clamp the diapire 12a of fuel cap 12, wherein, mounting nuts 50 is chimeric with the screw section 48 forming in periphery.In this case, distinguish vehicle body inner side (inner side of pressure fluid utilized device) and fuel cap 12 sides (with reference to Fig. 1) as border taking the diapire 12a of fuel cap 12.It should be noted that, annular convex 46, screw section 48 and mounting nuts 50 are as vehicle body (pressure fluid utilized device) and hydrogen are filled mouthful 10 the second main body fixing parts that are fixed and brought into play function.
Be provided with the second stream 52 being communicated with the first stream 18 in the time combining with the first main body 14 in the inside of the second main body 16.On the second stream 52, be equipped with successively the filter 54 of dust contained removing hydrogen etc. and the one-way valve 56 that can seal the hydrogen feeding from the first stream 18 from approaching a side of the first stream 18.
Filter 54 is by there being round-ended cylinder body to form, by the annular stepped portion in the annular flange portion 58 of a side setting contrary with bottom is held in the second stream 52.One-way valve 56 possesses: the spool 60 with the conical surface that is seated at the portion of taking a seat arranging in the stepped part of the second stream 52; The spring component being formed by helical spring 62 by spool 60 towards the portion's application of force of taking a seat.
In this case, one-way valve 56 forms by become the normal close type one-way valve that spool 60 is seated at the valve state that closes of the portion of taking a seat conventionally time, for example, in the time that the first main body 14 and the second main body 16 are decomposed, in the second stream 52 of the second main body 16, from one-way valve 56 sides towards filter 54 sides, be cut off from inside to spilling of outside hydrogen.In addition, one-way valve 56 is pressed spool 60 by the hydrogen of the high pressure that feeds from the first stream 18, overcome the spring force of spring component 62 and make spool 60 with the part of taking a seat from becoming out valve state, thereby make hydrogen from the first stream 18 via the second stream 52 to side direction circulation in vehicle body.
In the periphery of the second main body 16, become large order according to external diameter and have from the first stream 18 sides: front end 64; Have and be inserted into the external diameter of the second inside diameter 22b and from the first continuous outer diameter part 66a of front end 64; Via stepped part 68 with continuous the second outer diameter part 66b of the first outer diameter part 66a.In the periphery of the second outer diameter part 66b, be formed with the outside thread 34 screwing togather with the internal thread 36 of the first main body 14 sides.
In this case, while inserting in the first stream 18 of the first main body 14 in by the front end of the second main body 16 64, between the end face 64a of front end 64 and the inner peripheral surface 24b of the second inside diameter 22b of the wall 69 arranging along axial end of the second inside diameter 22b, the second main body 16, be formed with the seal groove 70 (with reference to Fig. 4) of a pair of supporting ring 28,28 of assembling and the second O-ring seals 30.
Sealing groove 70 is made up of the annular slot of cross section rectangular shaped, before inserting in the first stream 18 of the first main body 14, is not yet configured to seal groove 70 in the front end 64 of the second main body 16.Therefore, as described later, a pair of supporting ring 28,28 and the second O-ring seals 30 can be assembled easily with respect to the inner peripheral surface 24b (sealing mating face) of the first main body 14.About the assembling operation of above-mentioned sealing component, be elaborated in the back.
Between the interior week of the first main body 14 and the periphery of the second main body 16, be provided with another to supporting ring 72,72 and be folded in another to another O-ring seals 74 between supporting ring 72,72.This another supporting ring 72,72 and another O-ring seals 74 are sealed the binding site between the first main body 14 and the second main body 16.
The related hydrogen of present embodiment is filled mouth 10 and is substantially formed as described above, next its action effect is described.
First, the assembling operation of hydrogen filling mouth 10 is described.Fig. 5 (a) and Fig. 5 (b) are the longitudinal sectional views that represents the assembling procedure of hydrogen filling mouth.It should be noted that, in Fig. 5 (a), on the inner peripheral surface 24a of the first inside diameter 22a, have the first O-ring seals 26 from inserting opening portion 32 assembled in advance.
As shown in Fig. 5 (a), assemble respectively 1 pair of supporting ring 28,28 and the second O-ring seals 30 with respect to the inner peripheral surface 24b of the second inside diameter 22b of the first main body 14.In this case, the words of observing from opening portion 23 sides of inserting for the second main body 16, inner peripheral surface 24b internal diameter among the inside diameter of the first main body 14 of the second inside diameter 22b of the first main body 14 is set minimumly, and ring-shaped protrusion 31 is positioned at the inner side of inner peripheral surface 24b and does not have any obstacle in opening portion 23 sides.Therefore, a pair of supporting ring 28,28 and the second O-ring seals 30 easily can be assembled with respect to the inner peripheral surface 24b of the second inside diameter 22b from opening portion 23 sides.
After having assembled respectively 1 pair of supporting ring 28,28 and the second O-ring seals 30 with respect to the inner peripheral surface 24b of the second inside diameter 22b, as shown in Fig. 5 (b), the front end of the second main body 16 64 is passed from opening portion 23 sides of the first main body 14, and the outside thread 34 of the internal thread 36 of the first main body 14 sides and the second main body 16 sides is screwed togather, thus the first main body 14 and the second main body 16 are assembled integratedly.
Now, the end face 64a of the front end 64 of the second main body 16 and supporting ring 28 butts that are assemblied in inner peripheral surface 24b, between the end face 64a of front end 64 and the inner peripheral surface 24b of the second inside diameter 22b of the wall 69 of the ring-shaped protrusion 31 arranging along axial end of the second inside diameter 22b, the second main body 16, form the seal groove 70 (with reference to Fig. 4) of a pair of supporting ring 28,28 of assembling and the second O-ring seals 30.In other words, between the wall 69 of ring-shaped protrusion 31 of the first main body 14 and the end face 64a of the front end 64 of the second main body 16, clamp a pair of supporting ring 28,28 and the second O-ring seals 30, carry out thus the anti-avulsion of a pair of supporting ring 28,28 and the second O-ring seals 30, and do not produce and engaging-in etc. just can keep with the state of the sealing function of playing stably.
In addition, by along being screwed into stop screw member 44 with the axial orthogonal through hole 42 of the first main body 14, by the connecting part engagement between the first main body 14 and the second main body 16.It should be noted that, waiting when a pair of supporting ring 28,28 and the second O-ring seals 30 are taken off because safeguarding, can implement according to order contrary to the above.
In the present embodiment, by forming to split respectively the first main body 14 and the second main body 16, can complete easily sealing component with respect to the installation exercise of the second inside diameter 22b of the first main body 14, take off operation, can improve assembling performance and shorten built-up time and replacing time.Consequently, in the present embodiment, can reduce manufacture cost.
In the present embodiment, being positioned at of the first main body 14 forms greatly by the internal diameter of the 3rd inside diameter 22c of the position of opening portion 23 sides than the second inside diameter 22b and stepped part 68 than the second inside diameter 22b, therefore without making respectively 1 pair of supporting ring 28,28 and the second O-ring seals 30 undergauges, just can assemble with respect to the inner peripheral surface 24b of the second inside diameter 22b.
On the other hand, for example, the automobile-use hydrogen of recording at SAE J2799 is filled in mouth, as shown in Fig. 7 (b), when by the second O-ring seals 5 and supporting ring 4a, when 4b assembles with respect to fixed groove 6, because the internal diameter of ring bulkhead 7 forms littlely than the external diameter of the second O-ring seals 5, therefore need to make the second O-ring seals 5 grades to be out of shape (undergauge) while assemble (with reference to the solid line in Fig. 7 (b)), this assembling operation becomes loaded down with trivial details, and need to cautiously carry out operation in order to avoid make the second O-ring seals 5 produce damage, thereby built-up time is elongated.
In the present embodiment, without making the seal member deformation such as a pair of supporting ring 28,28 and the second O-ring seals 30, just can assemble (with reference to Fig. 5 (a)) with respect to sealing mating face, therefore, the sealing component that for example can use the material of and hard high by intensity to form, the scope that the material of sealing component is selected broadens, thereby can expand the degrees of freedom of sealing component.
In addition, in the present embodiment, the set positions of the parting plane between the first main body 14 and the second main body 16 is in the nearby side (with reference to Fig. 1) by fuel cap 12 than the restraint location of clamping between mounting nuts 50 and annular convex 46.Therefore, in the case of the second O-ring seals 30 and a pair of supporting ring 28,28 are replaced by new member, can under the vehicle-mounted state (being equipped on the state of fixed device) of opening not shown fuel housing, carry out the replacing operation of sealing component.
In addition, in the present embodiment, the set positions of instrument hook part 40 is separating with inserting opening portion 32 and the position of the nearby side of parting plane, and the shape of instrument hook part 40 is formed as than near the outer circumferential face of other more to the cross section of internal side diameter depression to recess in the form of a substantially rectangular, under vehicle-mounted state, needs thus for by these instrument hook part 40 engagements and the special tool that the first main body 14 and the second main body 16 are decomposed.Therefore, can form end user and be difficult to the structure of decomposing, and by utilizing the stop screw member 44 being screwed into along through hole orthogonal to the axial direction 42 to carry out engagement, can prevent thus the decomposition between the first main body 14 and the second main body 16, thereby can avoid assembling because of the mistake of end user's sealing component the poor sealing causing.
In addition, in the present embodiment, the interior configuration filter 54 of the second stream 52 between opening portion and the one-way valve 56 of the front end 64 of the second main body 16.Therefore, in the time that the first main body 14 and the second main body 16 are decomposed, the spool 60 of one-way valve 56 is seated at the portion of taking a seat and prevents that hydrogen from, to the spilling of outside, therefore can avoid the waste of hydrogen, and can prevent aptly the situation that foreign matter adheres to the spool 60 of one-way valve 56.In addition, in the time decomposing (separation), can prevent that worker from touching the situation of one-way valve 56 because of carelessness.
In addition, in the present embodiment, position configuration filter 54 that can easy assembling disassembling from front end 64 sides of the second main body 16 after the first main body 14 is taken off, can easily carry out replacing, the cleaning of filter 54 thus, can improve the maintainability under vehicle-mounted state.
Next, the related hydrogen of another embodiment of the present invention being filled to a mouthful 10a describes.It should be noted that, filling in the constituting component that mouth 10 is identical and marking same reference marks and omit its detailed explanation with the hydrogen shown in Fig. 1.
Fig. 6 is the brief configuration sectional view that the related hydrogen of another embodiment of the present invention is filled mouth.
Fill in mouthful 10a at the related hydrogen of another mode of execution, be with the difference of the mode of execution shown in Fig. 1, form the through hole 42a that connects the internal thread 36 of the inwall of the first main body 14 along radial direction, in described through hole 42a, be provided with the stop screw member of the second main body 16 engagements (engagement member) 44.
Fill in mouthful 10a at this hydrogen, the first main body 14 and the second main body 16 stop screw member 44 that fastening outside thread 34 is screwed into along through hole 42a integratedly is partly damaged, thereby can be formed as the structure that end user cannot decompose the first main body 14 and the second main body 16.Other action effects are identical with the hydrogen filling mouth 10 shown in Fig. 1, therefore omit its detailed explanation.
Symbol description:
10,10a hydrogen is filled mouth
14 first main bodys
16 second main bodys
18 first streams
20 nozzles
22a～22c inside diameter
24a, 24b inner peripheral surface
26,30 O-ring seals (sealing component)
34 outside threads
36 internal threads (the first main body fixing part)
40 instrument hook parts (tool card is hung the recess of use)
42,42a through hole
44 stop screw members (engagement member)
46 annular convex (the second main body fixing part)
48 screw sections (the second main body fixing part)
50 mounting nuts (the second main body fixing part)
52 second streams
54 filters
56 one-way valves
64 front ends
64a end face
66a, 66b outer diameter part
69 walls
70 seal grooves
Claims (5)
1. a filling mouth structure for pressure fluid, it is arranged at pressure fluid utilized device, and by the first main body of manufacturing independently respectively and the combination of the second main body are formed,
The filling mouth structure of described pressure fluid is characterised in that,
In described the first main body, be provided with the first stream passing from the outside of described pressure fluid utilized device for nozzle,
The order that described the first stream diminishes according to internal diameter from a side of passing for described nozzle has the first inside diameter and the second inside diameter,
On the inner peripheral surface of described the first inside diameter and described the second inside diameter, be formed with respectively sealing mating face,
Described the second main body has second stream that can be communicated with described the first stream when with described the first main body combination, and is provided with described pressure fluid utilized device and the second fixing main body fixing part of described filling mouth,
Described the second main body becomes large order from described first-class trackside according to external diameter and has the first outer diameter part and the second outer diameter part, and described the first outer diameter part has and is inserted into the external diameter of described the second inside diameter and continuous from the front end of described the second main body,
Insert in described the first stream in by the front end of described the second main body time, by forming seal groove at the wall arranging along axial end of described the second inside diameter, the end face of front end and the inner peripheral surface of described the second inside diameter of described the second main body.
2. the filling mouth structure of pressure fluid according to claim 1, is characterized in that,
Described the first main body has being positioned at the first main body fixing part by the position in the outside of described pressure fluid utilized device than described the second main body fixing part with described second main body when combination.
3. the filling mouth structure of pressure fluid according to claim 2, is characterized in that,
Described the first main body has in the distolateral periphery separating from a side of passing for described nozzle the recess that tool card is hung.
4. the filling mouth structure of pressure fluid according to claim 1, is characterized in that,
The one-way valve that disposes successively filter and can seal the pressure fluid feeding from described the first stream from approaching a side of described the first stream on described the second stream.
5. the filling mouth structure of pressure fluid according to claim 2, is characterized in that,
Described the first main body fixing part be with periphery in described the second main body on the internal thread of the external thread spiro fastening that forms,
On described the first main body fixing part, be formed with the through hole that connects described internal thread along radial direction, in described through hole, be provided with the engagement member of described the second main body engagement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012019440 | 2012-02-01 | ||
| JP2012-019440 | 2012-02-01 | ||
| PCT/JP2013/051702 WO2013115120A1 (en) | 2012-02-01 | 2013-01-28 | Filling port structure for pressure fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104081102A true CN104081102A (en) | 2014-10-01 |
| CN104081102B CN104081102B (en) | 2016-01-20 |
Family
ID=48905159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380007552.9A Active CN104081102B (en) | 2012-02-01 | 2013-01-28 | The filling mouth structure of pressure fluid |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9404622B2 (en) |
| JP (1) | JP5805220B2 (en) |
| CN (1) | CN104081102B (en) |
| DE (1) | DE112013000801T5 (en) |
| WO (1) | WO2013115120A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110573789A (en) * | 2018-01-30 | 2019-12-13 | 株式会社龙野 | Filling device |
| CN111684198A (en) * | 2018-02-09 | 2020-09-18 | 株式会社龙野 | Filling device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747905A (en) * | 2013-12-26 | 2015-07-01 | 张先进 | Fluid control device and air feeding system |
| JP6517040B2 (en) * | 2015-02-24 | 2019-05-22 | 株式会社キッツエスシーティー | High pressure filter device and hydrogen station using the same |
| WO2017099103A1 (en) | 2015-12-07 | 2017-06-15 | 日東工器株式会社 | Male coupling member |
| GB2546512B (en) * | 2016-01-20 | 2021-11-17 | Intelligent Energy Ltd | Fluid connector system |
| JP2023016476A (en) * | 2021-07-21 | 2023-02-02 | トヨタ自動車株式会社 | Hydrogen filling receptacle |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013115120A1 (en) | 2013-08-08 |
| CN104081102B (en) | 2016-01-20 |
| US9404622B2 (en) | 2016-08-02 |
| JP5805220B2 (en) | 2015-11-04 |
| JPWO2013115120A1 (en) | 2015-05-11 |
| DE112013000801T5 (en) | 2014-10-09 |
| US20140374417A1 (en) | 2014-12-25 |
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